21445148

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2909}}^1$

素因数の和:3029

約数の個数: 24

約数和(自身を含む): 39925200

約数和(自身を除く): 18480052

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 2909, 3686, 5818, 7372, 11636, 55271, 110542, 221084, 282173, 564346, 1128692, 5361287, 10722574, 21445148]

約数ペア:

[(1, 21445148), (2, 10722574), (4, 5361287), (19, 1128692), (38, 564346), (76, 282173), (97, 221084), (194, 110542), (388, 55271), (1843, 11636), (2909, 7372), (3686, 5818)]